How is batch farrowing systems affecting the outcome after a PRRS outbreak?
Moving away from weekly batch management improved Time to stability, Time to baseline production and Total Piglet losses per 1,000 sows after a PRRS outbreak.
Something smells bad about PRRS. Is manure management playing a role in PRRS epidemiology?
The overall risk of a PRRS outbreak is 12 times higher during the first 15 days after pumping manure than the rest of the year.
The role of non-progressive atrophic rhinitis: Looking beyond the snout
How do turbinate atrophy and the effect on cilia caused by B. bronchiseptica affect the incidence of S. suis and porcine respiratory disease complex?
Practical experience: Ability to detect PRRS infection in boars by sample type
Are we using the best samples and techniques to monitor PRRS absence in boar studs?
Applying outbreak investigation findings to improve biosecurity
A case study on identifying and addressing entry-related biosecurity hazards on a sow farm.
Reflecting on 20 years of PRRS
PRRS creates frustrating challenges as it seems we have to keep learning the same lessons we already know, along with the occasional new chapter.
How many PRRSV types can we detect in a swine farm during a single-day sampling event?
Too often a single sequence information is used to make important conclusions regarding virus source, especially for new PRRS outbreaks, guiding outbreak investigations, and future interventions.
New tools for PRRS virus monitoring: When to use each one
In this article we will focus the discussion on the practical applications of the new monitoring systems.
Danish national PRRS reduction strategy - Status year 1
By May 2023, 85% of all Danish pig herds have a serological PRRS status. Area eradication programs have been established in regions with a high density of PRRS seropositive herds. The Danish Agriculture & Food Council has taken a range of initiatives with the purpose of paving the road for a national reduction of PRRS, including an implementation strategy, digital tools, common guidelines for the classification, monitoring, and eradication of PRRSV, and project funding resources.
Current status of PRRS in the US: some challenges and opportunities
Here we will focus the discussion on the practical applications and on lessons learned from recent field studies on response strategies for PRRSV management in affected breeding herds.
Practical application of PRRS monitoring using tongues from stillborn piglets after an outbreak
The collection of tongues from stillborn piglets as a system to monitor the stability at farrowing serves to improve PRRS virus detection.
PRRSv elimination or control - What have we learned?
Consider these factors when deciding to eliminate or control PRRSv.
A united sector to fight PRRS in Danish pig production
The goal is set in Danish pig production - By 2025, 75% of all finishers will be PRRS seronegative at slaughter. This will be achieved by a close corporation between veterinary authorities, the pig industry, slaughter companies, veterinarians and producers.
National PRRS eradication program in Hungary 2014–2022
The Hungarian PRRS eradication program is based on a territorial approach as it is the only approach by which the infection or reinfection of PRRSV-free pig herds can be avoided with high probability.
PRRSv control including 1-4-4 L1C
With more herds breaking with highly virulent PRRS strains, what can we do to prevent and control infection? How does the 1-4-4 L1C strain differ?
Highly pathogenic PRRSV 1-4-4 L1C variant: emergence, sources, and implications to the global industry
This PRRSV strain is affecting the U.S. Understanding where these viruses come from can help us stop this cycle.
Globalization of the PRRS virus
Do we know what percent of imported batches of pigs are viremic for PRRS and to which strains?
Sampling schemes for the new PRRS classification American Association of Swine Veterinarians (AASV) guidelines
What samples should be taken for the new PRRS categories according to the American Association of Swine Veterinarians (AASV) guidelines?
The AASV guidelines for PRRS status classification evolve
We review what's new in the American Association of Swine Veterinarians (AASV) guidelines, which include new monitoring techniques and expanded and modified categories.
Atypical pathogenic PRRS virus strains: A new problem?
High virulence PRRS virus strains cause more accentuated clinical symptoms, higher mortality, higher viral load and dissemination in body tissues, as well as a higher inflammatory response.
What can we expect from PRRS virus evolution?
In this article we summarize further discussions that we had with Dr. Nauwynck about his research findings on PRRS virus-host evolution.
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